Name or state the postulate, property, definition, or theorem that justifies the statement. 1. If 8x= 16. then x = 2. 2. If <K = <E and <E = <M. then <K = <M. 3. If <AOB is a right angle, then OA 1 OB 4. If a + 7 = b and b = 4. then a + 7 = 4 5. If a + 7 = 4. then a = -3.

Name or state the postulate, property, definition, or theorem that justifies the statement. 1. If 8x= 16. then x = 2. 2. If <K = <E and <E = <M. then <K = <M. 3. If <AOB is a right angle, then OA 1 OB 4. If a + 7 = b and b = 4. then a + 7 = 4 5. If a + 7 = 4. then a = -3.

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter1: Line And Angle Relationships

Section1.CT: Test

Problem 23CT

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Question

Name or state the postulate, property, definition, or theorem that justifies the statement.
1. If 8x= 16. then x = 2. 2. If <K = <E and <E = <M. then <K = <M.
3. If <AOB is a right angle, then OA 1 OB
4. If a + 7 = b and b = 4. then a + 7 = 4 5. If a + 7 = 4. then a = -3.

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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